Quectel BG95 Series

LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 25 / 80
(U)SIM card V
OH
min=1.35V
USIM_DATA 45 IO
Data signal of
(U)SIM card
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
V
OL
max=0.45V
V
OH
min=1.35V
USIM_CLK 46 DO
Clock signal of
(U)SIM card
V
OL
max=0.45V
V
OH
min=1.35V
USIM_GND 47
Specified
ground for
(U)SIM card
Main UART Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
DTR 30 DI
Data terminal
ready (sleep
mode control)
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
RXD 34 DI Receive data
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
TXD 35 DO Transmit data
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep this
pin open.
CTS 36 DO Clear to send
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep this
pin open.
RTS 37 DI
Request to
send
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep this
pin open.
DCD 38 DO
Data carrier
detection
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep this
pin open.
RI 39 DO
Ring indication
signal
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep this
pin open.
Debug UART Interface